/**
 * 
 */
package component.hadoop.statword;

import java.io.IOException;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;

/**
 * @author bliu
 * 
 */
public class StatReduce extends Reducer<Text, IntWritable, Text, IntWritable> { 
    
	@Override
   public void reduce (Text key,Iterable<IntWritable> values,Context context) 
       throws IOException ,InterruptedException{ 
        
       int sum=0; 
       for(IntWritable val: values){ 
    	   sum+=val.get(); 
       } 
        
       context.write(key, new IntWritable(sum)); 
   } 
}
